From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lawrence Brakmo Subject: [PATCH v2 bpf-next 00/11] Date: Thu, 21 Dec 2017 17:20:50 -0800 Message-ID: <20171222012101.3899534-1-brakmo@fb.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Kernel Team , Blake Matheny , Alexei Starovoitov , Daniel Borkmann , Eric Dumazet , Neal Cardwell , Yuchung Cheng To: netdev Return-path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:56388 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752385AbdLVBVE (ORCPT ); Thu, 21 Dec 2017 20:21:04 -0500 Received: from pps.filterd (m0109334.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vBM1HVlX023738 for ; Thu, 21 Dec 2017 17:21:03 -0800 Received: from mail.thefacebook.com ([199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 2f0qms84kw-2 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Thu, 21 Dec 2017 17:21:03 -0800 Sender: netdev-owner@vger.kernel.org List-ID: This patchset adds support for: - direct R or R/W access to many tcp_sock fields - passing up to 4 arguments to sock_ops BPF functions - tcp_sock field bpf_sock_ops_flags for controlling callbacks - optionally calling sock_ops BPF program when RTO fires - optionally calling sock_ops BPF program when packet is retransmitted - optionally calling sock_ops BPF program when TCP state changes - access to tclass and sk_txhash - new selftest v2: Fixed commit message 0/11. The commit is to "bpf-next" but the patch below used "bpf" and Patchwork didn't work correctly. Signed-off-by: Lawrence Brakmo Consists of the following patches: [PATCH v2 bpf-next 01/11] bpf: Make SOCK_OPS_GET_TCP size independent [PATCH v2 bpf-next 02/11] bpf: Make SOCK_OPS_GET_TCP struct [PATCH v2 bpf-next 03/11] bpf: Add write access to tcp_sock and sock [PATCH v2 bpf-next 04/11] bpf: Support passing args to sock_ops bpf [PATCH v2 bpf-next 05/11] bpf: Adds field bpf_sock_ops_flags to [PATCH v2 bpf-next 06/11] bpf: Add sock_ops RTO callback [PATCH v2 bpf-next 07/11] bpf: Add support for reading sk_state and [PATCH v2 bpf-next 08/11] bpf: Add sock_ops R/W access to tclass & [PATCH v2 bpf-next 09/11] bpf: Add BPF_SOCK_OPS_RETRANS_CB [PATCH v2 bpf-next 10/11] bpf: Add BPF_SOCK_OPS_STATE_CB [PATCH v2 bpf-next 11/11] bpf: add selftest for tcpbpf include/linux/filter.h | 4 + include/linux/tcp.h | 8 ++ include/net/tcp.h | 66 +++++++++- include/uapi/linux/bpf.h | 39 +++++- include/uapi/linux/tcp.h | 5 + net/core/filter.c | 221 ++++++++++++++++++++++++++++++-- net/ipv4/tcp.c | 4 +- net/ipv4/tcp_nv.c | 2 +- net/ipv4/tcp_output.c | 5 +- net/ipv4/tcp_timer.c | 9 ++ tools/include/uapi/linux/bpf.h | 45 ++++++- tools/testing/selftests/bpf/Makefile | 4 +- tools/testing/selftests/bpf/tcp_client.py | 52 ++++++++ tools/testing/selftests/bpf/tcp_server.py | 79 ++++++++++++ tools/testing/selftests/bpf/test_tcpbpf_kern.c | 125 ++++++++++++++++++ tools/testing/selftests/bpf/test_tcpbpf_user.c | 113 ++++++++++++++++ 16 files changed, 757 insertions(+), 24 deletions(-)